/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import View from './View'

export default class OverlayView extends View {
  _draw () {
    this._drawGraphicMarks()
    this._drawAnnotations()
  }

  /**
   * 绘制图形标记
   * @private
   */
  _drawGraphicMarks () {
    const graphicMarks = this._chartData.graphicMarks()
    graphicMarks.forEach(graphicMark => {
      graphicMark.draw(this._ctx)
    })
  }

  /**
   * 绘制注解
   * @private
   */
  _drawAnnotations () {
    const annotations = this._chartData.visibleAnnotations()
    annotations.forEach(annotation => {
      annotation.draw(this._ctx)
    })
  }
}
